My 1 year old son was finally approved. There were interview openings even tomorrow, but since they require that both parents be there, we couldn't find a time we could both make it until next week. I believe they will approve if only one parent is there as long as the other parent signs a letter, but we didn't want to risk wasting any more time.

Applied: April 23, 2017
Conditional Approval: June 26, 2017
Interview: July 6, 2017
Approved: July 6, 2017
Card Arrived: July 13, 2017

His status changed to Approved within minutes of leaving the interview.